Symbolic
Maths 
MuPad
is
a
symbolic
algebra
package
with
free
singleuser
licences
available
for
noncommercial
educational
use. 
Scilab
is
a
free
Matlab
/
Maple
level
scientific
software
package
[Dirlect
link
to
Scilab26.exe
(10 mbyte)] 
Maxima
is
a
sophisticated,
opensource
computer
algebra
system. 
Space

Search
for
(extraterrestrial)
aliens
with
the
SETIAtHome
program

your
computer
analyses
chunks
of
data
from
a
radio
telescope
for
patterns.
Runs
as
a
screensaver
or
application. 
Maths
Typesetting 
MikTex

PCbased
version
of
LaTeX 
Claus
Hentschel
has
a
Windows
NT/9x
port
of
Lynx,
a
(more
or
less)
WYSIWYG
LaTeX
editor. 
LaTeX2HTML

Perl
program
for
generating
HTML
pages
from
a
LaTeX
document.
Luis
Seidel
Gómez
de
Quero's
guide
to
Installing
LaTeX2HTML
with
MiKTex
on
windows. 
Philip
Viton's
Win32
port
of
Hevea,
a
LaTeXtoHTML
converter
which
uses
the
Symbol
font
instead
of
inline
images. 
Print
graph
/
music paper 
Graph
Paper
Printer
by
Dr
Philippe
Marquis
lets
you
print
plain
grids,
graph
paper
(some
lines
drawn
heavier
than
others),
polar
grids,
music
sheets
etc. [f2.org copy of Graph Paper Printer 3.31 (freeware) (355 Kbyte)]Note:
More
recent
versions
of
Graph
Paper
Printer
are
shareware. 
Data
Plotting 
Graphmatica

equation
plotter
with
numerical
and
calculus
features 
KYPlot
by
Koichi
Yoshioka. 
GnuPlot
 commandline
plotting
program.
The
documentation
is
barebones,
so
it's
not
for
the
fainthearted.
Available
as
a
cygwin
binary
for
win32,
MSDos,
Linux,
Solaris
etc.
Short
user
guide
(postscript
format) is
available.
[f2.org copy of GnuPlot 3.7 for win32 (741 Kbyte)]
[f2.org copy of user guide (79 Kbyte)] 
Diagram
Drawing 
Graphviz
is
a
suite
of
programs
to
draw
graphs
(in
the
mathematical
sense
of
a
bunch
of
nodes
connected
by
lines).
Available
for
many
platforms
including
Linux
&
Win32 
Calculator 
Calc98
Version
4.5
from
Flow
Simulation
is
a
nice
scientific
calculator

includes
ability
to
do
matrix
operations
[f2.org copy of calc98 version 4.5 (218 Kbyte)] 
RC
Calculators
from
RC
Software
combines
a
standard
scientific
calculator
with
handy
date
/
time
/
height
/
weight
conversions.
NB!
Win9x
only 
Units
Conversion 
Convert
by
Joshua
Maddison
:
Convert
is
an
easy
to
use
unit
conversion
program
that
will
convert
the
most
popular
units
of
distance,
temperature,
volume,
time,
speed,
mass,
power,
density,
pressure,
energy
and
many
others,
including
the
ability
to
create
custom
conversions!
[f2.org copy (168 Kbyte)] 
ESB
Unit
Conversion
Utility
from
ESB
Consultancy
[Direct
link
to
esbunitconv.zip
(500 Kbyte)] 
Fractal
Drawing
Programs  FractInt
(DOS
and
Windows
versions) 
Fractal
Magic
by
James
Crisp

small,
easy
to
use,
clicktozoom.
No
zoom
out
capability,
though. 
Web
pages
on
fractals: 
Knot Drawing
Programs 
KnotPlot
Homepage
&
Download
Page.
KnotPlot
comes
as
a
core
distribution
[~2 Mbyte
zipped]
and
platformspecific
binaries
[~250 Kbyte
for
windows].
KnotPlot
requires
the
SGI
GLUT
(OpenGL
Utility
Toolkit)
DLLs
for
windows.
If
the
link
on
the
KnotPlot
download
page
isn't
working,
you
can
try
this
GLUT
page
or
download
f2.org
copy
of
glut3.7.6bin.zip
[120 Kbyte
zipped] 